{"catalog_name":"World Products","variant":"c","item":{"handle":"wp-dcd-10001161040","title":"Includes Mallet 256Hz Tuning Fork Vibration Box High-Quality Steel Tuning Fork with Vibration Box Chrome-Plated Acoustic Wave Demonstration Kit for Students, Teachers, Classroom, Science Laboratory","category":"乐器","category_name":null,"category_gid":null,"product_type":"乐器","vendor":"World Products","price":"$1.88","currency_code":"USD","availability":"in_stock","inventory_quantity":0,"sku":"dcd-30003286444","barcode":null,"variant_title":"512hz","selected_options":{"Style":"512hz"},"description":"Educational Purpose: This professional tuning fork with vibration box serves as an essential teaching aid for demonstrating the fundamental principles of sound production and propagation in science classes.High-Precision Design: Crafted as a high-quality scientific instrument, the tuning fork is made from chrome-plated 45# carbon steel to ensure accurate frequency output and long-lasting durability for classroom use.Acoustic Demonstration: This comprehensive sound experiment kit allows students to visualize and hear the interference of sound waves, measure the speed of sound, and verify wave conduction through hands-on practice.Enhanced Vibration: Featuring a hollow wooden base, the acoustics demonstrator significantly amplifies the sound volume, making it easier for an entire classroom to observe subtle vibrations and vibration phenomena.Complete Set: Each tuning fork with vibration box comes with a designed rubber mallet, providing a ready-to-use solution for teachers and students to discover the fascinating world of acoustic science.","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/11af71a5-4b0e-41c6-b7cc-57a217eea860.jpg?v=1787649331","href":"/product/wp-dcd-10001161040.html","buy_url":"https://uecyem-u1.myshopify.com/products/wp-dcd-10001161040","buy_url_source":"shops.shop_domain + 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